Home / 27,057.09-37,368.12-18,581.58

Finding the Fourth Proportional to 27,057.09, 37,368.12 and 18,581.58

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Solution

The fourth proportional to 27,057.09, 37,368.12 and 18,581.58 is: 25,662.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.09 : 37,368.12 = 18,581.58 : x
  2. Step 2: Convert to fraction form
    27,057.09/37,368.12 = 18,581.58/x
  3. Step 3: Cross multiply
    27,057.09x = 37,368.12 × 18,581.58
  4. Step 4: Simplify right side
    27,057.09x = 694,358,711.23
  5. Step 5: Solve for x
    x = 694,358,711.23/27,057.09
  6. Step 6: Final answer
    x = 25,662.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.